Chaos in Atlanta after snow

Cars drive under a traffic sign displaying winter storm warnings after a rare snowstorm in Kennesaw, Georgia, January 28, 2014. A rare blast of snow, sleet and ice hit the U.S. South on Tuesday, prompting three states to declare a state of emergency, closing the New Orleans airport and causing chaos on roads for drivers unaccustomed to the dangerously slick conditions. REUTERS/Tami Chappell

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Cars drive under a traffic sign displaying winter storm warnings after a rare snowstorm in Kennesaw, Georgia, January 28, 2014. A rare blast of snow, sleet and ice hit the U.S. South on Tuesday, prompting three states to declare a state of emergency, closing the New Orleans airport and causing chaos on roads for drivers unaccustomed to the dangerously slick conditions. REUTERS/Tami Chappell

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Cars and trucks are gridlocked on the I-75 interstate highway after a rare snowstorm in Kennesaw, Georgia, January 28, 2014. A rare blast of snow, sleet and ice hit the U.S. South on Tuesday, prompting three states to declare a state of emergency, closing the New Orleans airport and causing chaos on roads for drivers unaccustomed to the dangerously slick conditions. REUTERS/Tami Chappell

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Cars and trucks are gridlocked on the I-75 interstate highway after a rare snowstorm in Kennesaw, Georgia, January 28, 2014. A rare blast of snow, sleet and ice hit the U.S. South on Tuesday, prompting three states to declare a state of emergency, closing the New Orleans airport and causing chaos on roads for drivers unaccustomed to the dangerously slick conditions. REUTERS/Tami Chappell

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A man walks through a snow covered parking lot after a rare snowstorm in Adairsville, Georgia, January 28, 2014. A rare blast of snow, sleet and ice hit the U.S. South on Tuesday, prompting three states to declare a state of emergency, closing the New Orleans airport and causing chaos on roads for drivers unaccustomed to the dangerously slick conditions. REUTERS/Tami Chappell (UNITED STATES - Tags: ENVIRONMENT SOCIETY)

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Cars drive under a traffic sign displaying winter storm warnings after a rare snowstorm in Kennesaw, Georgia, January 28, 2014. A rare blast of snow, sleet and ice hit the U.S. South on Tuesday, prompting three states to declare a state of emergency, closing the New Orleans airport and causing chaos on roads for drivers unaccustomed to the dangerously slick conditions. REUTERS/Tami Chappell

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Chris Campbell, a student at Kennesaw College, walks home leaving his car stranded after a rare snowstorm in Kennesaw, Georgia, January 28, 2014. A rare blast of snow, sleet and ice hit the U.S. South on Tuesday, prompting three states to declare a state of emergency, closing the New Orleans airport and causing chaos on roads for drivers unaccustomed to the dangerously slick conditions. REUTERS/Tami Chappell